#include <iostream>
#include <vector>
#include <random>

long num = 6900;
long sum = 0;
long num2 = 0;
std::vector<bool> class1(10000000, true);
int main(){
int flag1, flag2, flag3, flag4, flag5;

flag1 = 0;

	while(true){
			if (flag1 ==0 ){
				std::vector<bool> class1((num/100)+1, true);
				num2 = 69;
				flag1 = 1;
			}

                        for (int z = 2; z <= sqrt(num2); z++) {
                                if (class1[z]) {
                                        for (int j = z*z; j <= num2; j += z) {
                                        class1[j] = false;

                                        }
                                }

                        }

                        for(int yy=0; yy<num2; yy++) std::cout<<class1[yy]<<"__"<<std::endl;

                        std::cout<<3333<<std::endl;
			break;


	}

std::cout<<sum<<std::endl;
}
